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Buhl Model 200 Portable Overhead Projector With Case + Manual 360 Watt Lamp

Vintage 3M 567 Overhead Transparency Projector Works Great

3M Compact Folding Portable Overhead Projector 2000 AG Carrying Case Tabletop

3M 9100 Overhead Transparency Projector Portable Dual Bulb 9000AJB